WO2003091392A2 - Substrats a revetement polymere servant a immobiliser des biomolecules et des cellules - Google Patents

Substrats a revetement polymere servant a immobiliser des biomolecules et des cellules Download PDF

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Publication number
WO2003091392A2
WO2003091392A2 PCT/US2003/012016 US0312016W WO03091392A2 WO 2003091392 A2 WO2003091392 A2 WO 2003091392A2 US 0312016 W US0312016 W US 0312016W WO 03091392 A2 WO03091392 A2 WO 03091392A2
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substrate
biomolecule
cell
polymeric coating
solid support
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PCT/US2003/012016
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WO2003091392A3 (fr
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Robert S. Matson
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Beckman Coulter, Inc.
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Priority to JP2003587928A priority Critical patent/JP2005524058A/ja
Priority to EP03718448A priority patent/EP1497302A4/fr
Publication of WO2003091392A2 publication Critical patent/WO2003091392A2/fr
Publication of WO2003091392A3 publication Critical patent/WO2003091392A3/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00351—Means for dispensing and evacuation of reagents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00596—Solid-phase processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B01J2219/0061—The surface being organic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B01J2219/00612—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports the surface being inorganic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B01J2219/00623—Immobilisation or binding
    • B01J2219/00626—Covalent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B01J2219/00632—Introduction of reactive groups to the surface
    • B01J2219/00635—Introduction of reactive groups to the surface by reactive plasma treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00659—Two-dimensional arrays
    • C—CHEMISTRY; METALLURGY
    • C40—COMBINATORIAL TECHNOLOGY
    • C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B60/00—Apparatus specially adapted for use in combinatorial chemistry or with libraries
    • C40B60/14—Apparatus specially adapted for use in combinatorial chemistry or with libraries for creating libraries

Definitions

  • the present invention generally relates to methods of preparing substrates for the immobilization of biomolecules or cells by arraying, and specifically to substrates having a polymer coating with pendant functional groups for binding biomolecules or cells.
  • the invention is also related to bioarrays prepared utilizing polymer-coated substrates.
  • Bioarrays by the immobilization of polynucleotides, proteins, and cells on various solid surfaces.
  • Polynucleotide arrays have been successfully used in gene expression analysis, DNA synthesis and sequencing, mutation detection, polymorphism screening, linkage analysis, and screening for alternative splice variants in gene transcripts (U.S. Pat. No. 5,474,796; U.S. Pat. No. 6,037,124).
  • Protein arrays have been utilized in immunoassays, enzymatic assays, patterned cell growth, peptide libraries, optical data storage, and image detection and processing (A.S. Blaws and W.M.
  • Ultraviolet cross-linking involves derivatization of a substrate with a photochemical species which, when activated by UV irradiation, can bind target biomolecules. This method, however, is a random process, which does not permit precise array construction. Additionally, the substrates derivatized with photochemical species are sensitive to UV light which leads to difficulties in their storage and use. A more stable and precise means of biomolecule immobilization is their covalent binding to the surface. However, due to a weak interaction between native biomolecules and unmodified substrates, a chemical modification of biomolecules and their substrates is often required in order to promote their efficient binding. For example, U.S. Pat. No.
  • 5,215,882 discloses modifying a nucleic acid with a primary amine, followed by the reaction of the modified nucleic acid with the solid substrate having free aldehyde groups in the presence of a reducing agent.
  • a reducing agent for example, hydroxyl, carboxyl, amine, hydrazine. epoxide, bromoacetyl, maleimide, and thiol.
  • biomolecules particularly biopolymers
  • substrates when surface properties of biopolymers and substrates do not match, even if the substrate contains a high concentration of reactive groups.
  • a hydrophilic surface would act as a repellent toward a hydrophobic biopolymer, because it is energetically unfavorable for the biopolymer in an aqueous solution to approach such a surface (U.S. Pat. No. 5,250,613).
  • 5,250,613 teaches adsorbing a water-soluble conjugate of the polyethylene imine (PEI) derivative with hydrophilic non-ionic polymer on a negatively charged solid surface and then reacting biopolymers with the surface.
  • the U.S. Pat. No. 5,250,613 suggests coupling the hydrophilic nonionic polymer to the biopolymer and then reacting the resulting product with PEI to form a conjugate, which is then adsorbed on the negatively charged surface.
  • This method requires multiple complicated steps, including induction of the negative charges on surfaces and the generation of the graft polymer between non-ionic polymers and PEI.
  • microarrays Many investigators have also been using commercially available polymer-coated glass slides to construct microarrays.
  • commercially available substrates such as glass slides coated with poly-L-lysine, utilize inferior attachment chemistries, while others, prepared by dip-coating or spraying of slides with acrylamide or glutaraldehyde, may provide non-uniform coated surfaces with a limited shelf life.
  • commercial substrates designed for the attachment of one type of biomolecules, e.g. nucleic acids may not be suitable for the attachment of other biomolecules, e.g. proteins.
  • one aspect of the present invention provides a method of preparing a substrate for immobilizing biomolecules or cells.
  • the method includes the steps of:
  • the chemical plasma-mediated polymerization process is a chemical vapor deposition (CVD). In another embodiment, the chemical plasma-mediated polymerization process is a plasma-induced grafting.
  • the polymeric coating of the present invention may comprise a carboxylated polymer.
  • the carboxylated polymeric coating may be activated by converting carboxyl groups into groups capable of attaching the biomolecule or the cell.
  • the carboxylated polymer is activated by converting carboxyl groups into acyl fluoride groups.
  • a material of the polymeric coating is preferably selected in such a way that its surface properties enhance binding between the pendant group and the biomolecule or cell.
  • the material of the polymeric coating is selected to maximize non-covalent attractive forces, including ionic, hydrophobic, or Van der Waals forces, between the polymeric coating and biomolecules or cells being attached.
  • the polymeric coating is preferably hydrophobic.
  • Another aspect of the present invention is directed to a substrate for the immobilization of biomolecules and cells prepared by the above-described method.
  • the present invention provides a substrate for immobilizing a biopolymer or cell.
  • the substrate comprises a solid support made of a polymeric material.
  • the solid support has at least one first pendant functional group suitable for attaching a first biomolecule or a first cell on its surface.
  • the substrate further comprises a polymeric coating deposited on the surface of the substrate. The polymeric coating increases the attachment of the first biomolecule or the first cell to the first functional group.
  • the present invention provides a method of attaching biomolecules and cells to a solid support.
  • the method includes the steps of: (a) providing a biomolecule or a cell;
  • a further aspect of the present invention provides bioarrays prepared by a method comprising the steps of:
  • the present invention provides many economic and technical advantages. Those skilled in the art will appreciate that the coating processes of the present invention allow the rapid and uniform introduction of functional groups onto otherwise inert materials. Additionally, the surface properties of the polymeric coatings of the present invention may be easily matched with those of the biomolecules being attached to enhance biomolecule-substrate or cell-substrate binding. Therefore, the present invention provides versatile and cost-effective processes of bioarray construction that overcome the disadvantages of the multi-step methods of prior art.
  • Figure 1 is a diagram illustrating the formation of an array surface of the present invention and its use in biomolecule binding.
  • Figure 2 is a bar graph comparing the surface binding capacity of the substrates coated with carboxylated polymers prepared by the radio frequency plasma discharge- chemical vapor deposition (RFPD-CVD) method of the present invention with that of surface-activated substrates of prior art prepared by RFPD in an ammonia gas atmosphere.
  • RFPD-CVD radio frequency plasma discharge- chemical vapor deposition
  • One aspect of the present invention provides a method of preparing a substrate for immobilizing biomolecules or cells.
  • the method includes the steps of:
  • biomolecule refers to nucleic acids, polynucleotides, polypeptides, proteins, carbohydrates, lipids, drug, hapten or other small organic molecules, such as dyes, and analogues thereof.
  • polynucleotide refers to a polymer of deoxyribonucleotides or ribonucleotides, in the form of a separate fragment or as a component of a larger construction.
  • Polynucleotide may be DNA, RNA, a DNA analog, such as PNA (peptide nucleic acid), or a synthesized oligonucleotide.
  • the DNA may be a single- or double-strand DNA, or a DNA amplified by PCR technique.
  • the RNA may be an mRNA.
  • the DNA or RNA may contain dideoxynucleotides .
  • the length of the polynucleotides may be 3 bp to 10 kb. In accordance with one embodiment of the present invention, the length of a polynucleotide is in the range of about 50 bp to 10 kb, preferably, 100 bp to 1.5 kb. In accordance with another embodiment of the present invention, the length of a synthesized oligonucleotide is in the range of about 3 to 100 nucleotides. In accordance with a further embodiment of the present invention, the length of the oligonucleotide is in the range of about 40 to 80 nucleotides. In accordance with still another embodiment of the present invention, the length of the oligonucleotide is in the range of about 15 to 20 nucleotides.
  • polypeptide refers to a polymer of amino acids, wherein the ⁇ -carboxyl group of one amino acid is joined to the -amino group of another amino acid by a peptide bond.
  • a protein may comprise one or multiple polypeptides linked together by disulfied bonds. Examples of the protein include, but are not limited to, antibodies, antigens, ligands, receptors, etc.
  • the term "cell” refers to any live or dead single cell, multi-cell, tissue or cellular fragments, cell membrane, liposomal preparation or sub-organelle such as the mitochondria, ribosome or nucleus. Both adherent and non-adherent cell types may be immobilized.
  • Cells include, but are not limited to, human capillary endothelial cells, HeLa, A549, and breast cancer cell lines, such as BT-474. Certain cell lines will require co-adhesion of fibronectin or other cell-stabilizing extracellular matrix proteins.
  • Certain peptides, such as the tetrapeptide, RGDS may be attached to enhance the binding of proteins and cells.
  • the solid support of the present invention may be any material providing a surface for polymeric coating deposition.
  • a solid support include, but are not limited to, polymeric and ceramic materials, glasses, ceramics, natural fibers, silicons, metals, and composites thereof.
  • a solid support of the present invention may be fabricated of a polymeric material, such as polypropylene, polystyrene, polycarbonate, polyethylene, polysulfone, PVDF, Teflon, their composites, blends, or derivatives.
  • chemical plasma-mediated polymerization process refers to any process involving the use of a chemical plasma to assist, initiate or catalyze the formation of polymeric materials.
  • Examples of the chemical plasma-mediated polymerization process include, but are not limited to, chemical vapor deposition (CVD) and plasma-induced grafting, or their combination.
  • the CVD of thin organic films has been successfully used in a number of areas of technology, from decorative coatings on ceramic or pottery materials, to circuit interconnection wiring paths on the surfaces of semi-conductor chips, to wear-resistant coatings on cutting tool and bearing surfaces.
  • U.S. Pat. No. 4,091 ,166 teaches a deposition of a boron trifluoride containing optical or thermoplastic substrates to achieve increased scratch or abrasion resistance.
  • U.S. Pat. No. 5,514,424 describes depositing a thin layer of fluorinated polymer obtained by plasma-induced polymerization on a solid body to reduce the friction coefficient between water and the body, and for increasing the water repellency of said surfaces.
  • U.S. Pat. No. 6,287,990 discloses depositing a low dielectric constant film on a substrate to form a semiconductor device.
  • Films deposited by CVD show many desirable characteristics, including ease of preparation, uniformity, conformal coverage of complex substrates, excellent adhesion to a variety of substrates, and the ability to generate unique chemistries.
  • the overlayer films do not penetrate significantly into the substrate and, therefore, do not affect the mechanical properties of the substrate (U.S. Pat. Nos. 5,002,794 and 5,153,072).
  • the CVD method has not been used in preparation of bioarrays. This is possibly because the prior art has treated plasma- deposited films as having an ill-defined chemistry (U.S. Pat. Nos. 5,002,794 and 5,153,072). Plasma-induced grafting has been used for example to graft poly(acrylic acid) on
  • PEO polyethylene oxide
  • the chemical plasma- mediated polymerization method may be used to introduce desired pendant functional groups onto substrates to facilitate the binding of biomolecules and cells to the substrates. Additionally, it is a discovery of the present invention that the chemical plasma-mediated polymerization method may be used to selectively modify a surface of the solid support in order to match its surface properties with those of a biomolecule or a cell being attached, thus improving surface interactions therebetween. Additionally, when substrates of the present invention are used as bioarrays, surface modification may beneficially enhance subsequent binding between the attached capture probe and the analyte.
  • the deposition of polymeric materials onto solid supports by chemical plasma- mediated polymerization is a well-known process and will not be discussed here in detail.
  • the solid support to be coated is placed within a plasma chamber, which is typically evacuated or pressurized to a desired pressure.
  • the coating material to be deposited on the support is generated within or introduced into the chamber, and assumes the form of a plasma that includes gaseous vapors and solid particulate matter.
  • the plasma may include atoms, molecules, ions, and agglomerates of molecules of the coating material, as well as those of any desired reactant agents and any undesired impurities.
  • the coating or deposition process itself occurs by condensation of the plasma-coating particles onto the support surface(s) to be coated.
  • the deposition chamber may be evacuated prior to a deposition "run” to purge the chamber of impurities, but in general, chemical vapor deposition is performed at atmospheric or at positive (above atmospheric) pressure levels (U.S. Pat. No. 6,139,964).
  • the substrate is first pre-treated in a noble gas-plasma, such as argon- or helium-plasma. Then, a monomer or a polymer is introduced into the plasma chamber and is allowed to react with the substrate.
  • a noble gas-plasma such as argon- or helium-plasma.
  • a monomer or a polymer is introduced into the plasma chamber and is allowed to react with the substrate.
  • CVD chemical vapor deposition
  • polymerization is initiated within the vapor phase.
  • a silicon coating can be formed on a surface from a silane CVD process.
  • the coatings are the result of the decomposition of high vapor pressure gaseous compounds. These are transported to a substrate surface where the coating is formed usually by a thermal decomposition reaction near or at the substrate surface.
  • a “plasma” is most preferably an ionized gas, which gains sufficient ionization energy from an electromagnetic field and exhibits long range electromagnetic forces.
  • Plasma energy sources include, but are not limited to, direct current, alternating current, radio frequency microwaves, shock waves, and lasers.
  • Low temperature plasma treatments include radio frequency plasma discharge (“RFPD”), microwave frequency plasma discharge (“MFPD”), and corona discharge (“CD”); such treatments all typically affect only the surface of a solid material, leaving the remainder of the material unmodified. In the preferred embodiment, RFPD is utilized.
  • Plasma-generating devices are commercially available.
  • a particularly preferred plasma generator is available from Plasma Science, Foster City, Calif. (Model No. PS0150E radio-frequency).
  • Such devices are preferred because the conditions for the introduction of gases, power, time of plasma discharge, etc. can be readily selected, varied, optimized, and controlled. These parameters can be optimized with little experimentation, principally because the physical condition of the polymeric coating is adversely affected if, for example, the amount of power (typically in watts) is too high, or the length of time of plasma discharge is too great.
  • adverse affects are typically manifested by the creation of a "brittle" polymer medium. Accordingly, those skilled in the art are credited with the ability to optimize the conditions for efficient chemical plasma-mediated deposition of polymeric coatings.
  • a wide range of power settings, radio frequencies, and duration of exposure of the polymeric surface to the plasma may be used. Ranges for these three parameters, which provide advantageous results, are DC or AC power levels between about 10 and about 500 watts, more preferably between about 100 and about 400 watts.
  • the duration of exposure is from about 0.1 to about 30 minutes, and most preferably is about 2-10 minutes. It is also preferred that radio frequency waves be utilized; preferably, these are within the range of from about 1 MHz to about 50 MHz, and most preferably 10-20 MHz.
  • the polymeric coating of the present invention can be formed by CVD of a preformed polymer having the desired functional groups and surface properties.
  • a simultaneous chemical plasma-mediated polymerization and the deposition of monomers carrying the desired functional groups may form the polymeric coating of the present invention.
  • the polymeric coating of the present invention may comprise any polymer having pendant functional groups capable of covalent binding of a biomolecule or cell.
  • pendant functional groups include, but are not limited to, acyl fluorides, anhydrides, oxiranes, aldehydes, hydrazides, acyl azides, aryl azides, diazo compounds, benzophenones, carbodiimides, imidoesters, isothiocyanates, NHS esters, CNBr, maleimides, tosylates, tresyl chloride, maleic anhydrides, and carbonyldiimidazoles.
  • these functional groups will react with nucleophilic groups of biomolecules and outer cell surfaces to covalently bind biomolecules or cells.
  • nucleophilic groups present on biomolecules that are likely to react with pendant functional groups of the supports of the present invention include, but are not limited to, amine groups, hydroxyl groups, sulfhydryl groups, and phosphate groups.
  • nucleophilic groups present on outer surfaces of cells that are likely to react with pendant functional groups of the supports of the present invention include, but are not limited to, the glycosyl hydroxyl moieties of glycoprotein surface antigens, protein side-chain amine groups, such as lysine, arginine and histidine or sulfhydryl (cysteine, methionine), or hydroxyl (tyrosine, tryptophan) residues, and the aspartic acid, glutamic acid carboxyl side-chains of surface proteins.
  • phospho- and glyco-lipids contain hydroxyl and amine functional head groups capable of covalent attachment.
  • the polymeric coating may comprise a polymer capable of being derivatized to form functional groups suitable for the covalent attachment of biomolecules and cells.
  • the polymeric coating comprises a carboxylated polymer and the depositing step (b) of the above-described method comprising:
  • the depositing step (c) comprises the steps of:
  • any polymerizable monomer having desired pendant functional groups may be used to form polymeric coatings of the present invention.
  • Methods of controlling the chemical structure of polymeric films produced by plasma deposition are known to those skilled in the art (see, for example, U.S. Pat. No. 5,153,072) and, thus, will not be discussed here in a detail.
  • reactive groups are added using silane chemistry.
  • epoxy groups may be introduced using 3-glycidoxy propyl trimethyl silane (TMS), thiol groups using 3-mercapto propyl TMS, and amino groups using 3 -amino propyl TMS.
  • the polymerizable monomer should preferably contain carboxyl groups.
  • suitable carboxylated monomer include, but are not limited to, acrylic acid monomer, vinyl acetic acid monomer, carboxy-silane monomer, carboxy-silanol monomer, methacylate monomer, and acylate monomer, and mixtures thereof.
  • an acrylic acid monomer (I) is introduced into a plasma chamber along with an inert substrate [step (a)].
  • An RFPD is produced across electrodes, resulting in free radical polymerization in which the carboxylated polymer becomes adsorbed by CVD onto the surface of the substrate [step (b)].
  • the carboxyl groups are converted to acyl fluorides [step (c)].
  • a silane compound (II) is polymerized and deposited by CVD onto the solid support.
  • the present invention is not limited to a particular activation chemistry of carboxyl groups.
  • acyl fluoride activation is used in one embodiment of the present invention, there are many other chemistries, such as NHS esters and carbonyldiimidazoles, which may also be employed.
  • the activating step comprises converting the carboxyl group into an acyl fluoride group.
  • suitable reagents for forming acyl fluoride functionalities on the solid support broadly include carboxyl reactive fluoridating reagents.
  • a most preferred reagent is (diethylaminosulphur) trifluoride (DAST).
  • DAST diethylaminosulphur
  • Other suitable reagents include cyanuric fluoride or tetramethylfluoroformadinium hexafluorophosphate.
  • the conditions under which carboxyl groups of a polymer may be converted into acyl fluoride groups have been previously described (U.S. Pat. No. 6,268,141). Similar conditions may be used to activate carboxyl groups of the polymeric coating of the present invention and, thus, such conditions will not be discussed herein.
  • Preheating the surface of the solid support may enhance the condensation, polymerization, and adso ⁇ tion of the polymeric coating.
  • plasma etching is used as a method of the surface pretreatment.
  • Other methods of the surface pretreatment include, for example, chemical oxidation using strong acids, such as sulfuric acid, or using chromium (VI) oxide in an acetic acid- anhydride mixture.
  • the method of preparing a substrate further includes a step of selecting a material for the polymeric coating.
  • the material is selected by its ability to form a polymeric coating with desired pendant functional groups for the covalent binding of biomolecules or cells.
  • the material is also selected so that the deposited polymeric coating has surface characteristics that maximize non-covalent interactions between the coating and the biomolecules or cells. These non-covalent interactions, including ionic, hydrophobic, and Van der Waals attraction, supplement covalent binding of the biomolecule or cell to the functional group on the substrate.
  • surface properties of the polymeric coating are matched to those of biomolecules or cells being attached in order to maximize attractive forces therebetween.
  • the polymeric coating is preferably hydrophobic.
  • a polymeric coating is hydrophobic when it excludes water from its structure or does not allow appreciable wetting of the underlying surface, thereby preventing adso ⁇ tion of hydrophilic biomolecules.
  • Contact angles (Z, water) on hydrophobic polymeric surfaces are generally greater than or equal to 100° while Z 45° are observed on hydrophilic surfaces.
  • Examples of polymeric materials that may be used to form hydrophobic coatings include, but are not limited to, alkyl thiols, alkyl silanes, and mixtures thereof.
  • methyl methacylate and hemamethyldisiloxane monomers introduced to substrates during plasma polymerization may be used to form hydrophobic polymers containing carboxylate groups.
  • Variation in relative surface hydrophobicity can be achieved with various plasma surface treatments.
  • various alkyltrichlorosilanes are able to form self-assembled monolayers (SAMs) that vary in their contact angles.
  • the polymeric coating is preferably hydrophilic.
  • a polymeric coating is hydrophilic when it permits surface wetting by water and hydrophilic biomolecules.
  • Examples of polymeric materials that may be used to form hydrophilic coatings include, but are not limited to, polyethylene glycols, polycarboxylic acids, and polylysine.
  • the polymeric coating is preferably zwitterionic.
  • a polymeric coating is zwitterionic when it carries both anionic and cationic charges.
  • Examples of polymeric materials that may be used to form zwitterionic coatings include, but are not limited to, zwitterionic silanes, zwitterionic detergents, or other surfactants.
  • the polymeric coating comprises a mixture of polymeric materials that, when deposited, form local areas with different surface properties.
  • one portion of the coating may be hydrophobic, while another hydrophilic or zwitterionic.
  • Such mixed coatings may be particularly useful when it is desired to attach different types of biomolecules or cells to the same support.
  • a mixture of polymeric materials may be used to produce a coating with at least two types of pendant functional groups reactive toward different types of biomolecules or cells. Therefore, this embodiment may be particular useful in the construction of bioarrays comprising different types of biomolecules or cells.
  • the polymeric coating deposited on the solid support is a monolayer of a single silane or a silanol compound or a mixture of silane or silanol compounds.
  • each compound may have different functional groups and/or surface properties.
  • Mixtures of silanes or silanols e.g. hydrophobic silane with reactive silane (silane with pendant functional groups) or hydrophilic silane with reactive silane, may be used in order to optimize surface interaction with the biomolecules or cells being attached .
  • SAM self-assembled monolayers
  • BSA bovine serum albumin
  • the BSA may be used as a scaffold to immobilize other biomolecules, such as antibodies. It is possible to print down SAMs in discreet locations on the substrate surface, thereby creating surface patterns of the SAM coating and SiO 2 .
  • the Si0 2 surface can be coated with different SAMs or subjected to plasma polymerization in order to form new surfaces with polymers containing other functional groups.
  • antibodies recognizing cell surface antigens could be used to immobilize specific cell types, while other surrounding areas could be used to immobilize cell growth factors or stabilizing agents, e.g. fibronectin.
  • Another aspect of the invention is directed to the modification of the surface of the solid support by plasma reaction to the allow site-specific attachment of additional surface groups to create surface-coating patterns.
  • a plastic substrate may be physically masked, for example, by overlaying the substrate with a mesh having a discrete pattern of holes to form exposed and covered areas. The exposed areas are subsequently plasma-oxidized, etched or otherwise treated to produce surface functional groups, such as amines or hydroxyl groups, using a reactive plasma.
  • a plastic substrate may be oxidized and etched in a CF 4 -O 2 plasma or amine groups introduced onto the exposed surface in an ammonia-plasma deposition process. In this manner, the exposed areas become surface-treated and the covered areas remain as the native substrate. The mask can then be removed and the patterned substrate may be further coated during plasma polymerization.
  • the plasma-treated exposed areas may be independently and site- specifically coated with other surface groups. This can be accomplished by printing chemicals onto the treated areas and or the untreated areas to create different adjacent surface chemistries.
  • the oxidized area may contain carboxyl groups rendering the exposed area hydrophilic, while the untreated areas remain hydrophobic.
  • Biomolecules,such as proteins, may then be covalently attached to the exposed areas by reacting the protein's lysyl residues with the substrate carboxyl groups in the presence of a condensing agent, such as EDAC/NHS, which catalyzes the formation of reactive carboxyl esters. These, in turn, condense with the protein's side-chain amine groups.
  • the present invention also provides a substrate for immobilizing a biopolymer or cell, which is prepared by the above-described method. Because the substrate of the present invention is particularly useful in the preparation of biomolecule and cell arrays for the evaluation or identification of biological activity, in one embodiment, the solid support is in the form of a device having at least one flat planar surface. The size of the solid support can vary and depends upon the final use of the immobilized biomolecules and cells. Those skilled in the art will appreciate that, for example, arrays of biopolymers immobilized on miniaturized solid supports have been under development for many years. These solid supports have a size area on the order of mm " and can have numerous different immobilized biopolymers, each with different biopolymers attached to a different site-specific location on the miniaturized solid support.
  • dip sticks typically are rectangular in shape with each side measuring a few centimeters.
  • large biopolymers such as polynucleotide arrays, utilized for sequencing whole genomes, may have dimensions measuring a meter or more.
  • suitable solid supports can also be molded into any of a variety of shapes.
  • a solid support of the present invention may be made of a porous or non-porous material.
  • a solid support of the present invention may be in a form of threads, sheets, films, gels, membranes, beads, plates and like structures.
  • a solid support may be fabricated from plastic in the form of a planar device having discrete isolated areas in the form of wells, troughs, pedestals, hydrophobic or hydrophilic patches, diecut adhesive reservoirs or laminated gasket diecuts that form wells, or other physical barriers to fluid flow. Examples of such a solid support include, but are not limited to, a microplate or the like.
  • the solid support is made of an inert material incapable of covalent binding of the biomolecules or cells.
  • inert materials include unmodified polymeric materials, ceramic materials, metals, natural fibers, silicons, glasses, and composites thereof.
  • the solid support comprises a material, for example, a polymer, having at least one first pendant functional group suitable for attaching a first biomolecule or a first cell.
  • the polymeric coating may comprise at least one second pendant functional group suitable for covalent binding a second biomolecule or a second cell.
  • the first and the second pendant functional groups may be the same or different.
  • the first and the second functional groups are any groups that covalently bind the biomolecules or the cells.
  • the first and the second functional groups may be selected independently from the group consisting of: acyl fluorides, anhydrides, oxiranes, aldehydes, hydrazides, acyl azides, aryl azides, diazo compounds, benzophenones, carbodiimides, imidoesters, isothiocyanates, NHS esters, CNBr, maleimides, tosylates, tresyl chloride, maleic anhydrides, and carbonyldiimidazoles.
  • acyl fluorides anhydrides, oxiranes, aldehydes, hydrazides, acyl azides, aryl azides, diazo compounds, benzophenones, carbodiimides, imidoesters, isothiocyanates, NHS esters, CNBr, maleimides, tosylates, tresyl chloride, maleic anhydrides, and carbonyldiimidazoles.
  • an underlying support having attached first functional groups is coated with a polymeric material that improves the support's ability to bind biomolecules or cells.
  • the material of polymeric coating may be selected to provide a more hydrophilic (or hydrophobic, or zwitterionic, charged or affinity-based molecular recognition) local environment surrounding the first functional groups.
  • Charged groups provide a formal charge, such as from sulfonic acid groups.
  • Affinity groups would include ligand-binding domains of antibodies, protein A, etc.
  • the biomolecules or cells adsorbed on the substrate will bind to the first functional groups more efficiently.
  • the chemical plasma-mediated polymerization process of the present invention is used to increase the number of reactive sites over that of the underlying support. For example, given a support having a certain number of first pendant functional groups, one can create a polymeric coating having second pendant functional groups that also contribute to the binding of the biomolecules and cells. Therefore, a substrate with more densely positioned biomolecule- or cell-binding groups can be formed.
  • the substrate of the present invention is well suited for the attachment of biomolecules and cells. Accordingly, in a further aspect, the present invention provides a method of attaching biomolecules and cells to a solid support. The method comprises the steps of:
  • biomolecules or cells are attached to the coated substrate of the present invention by contacting them under a condition sufficient for allowing the attachment of the biomolecules or cells to the solid support.
  • a condition is sufficient if it allows the biomolecules or the outer surface of the cells to react with pendant functional groups of the polymeric coating for covalently attaching the biomolecules or cells to the substrate.
  • pendant functional groups are acyl fluorides
  • biomolecules such as polynucleotides, may be attached to a solid support by displacement of the fluoride group contained in the polymeric coating with a nucleophile of the biomolecule, as described in U.S. Pat. No. 6,268,141.
  • 5 '-amino modified oligonucleotides react with surface polymers that are activated with terminal groups, such as acyl fluorides, aldehydes, or epoxides.
  • terminal groups such as acyl fluorides, aldehydes, or epoxides.
  • the carbohydrate moiety of glycoproteins may be periodate oxidized to aldehydes, which in turn react with polymeric supports containing surface hydrazide groups.
  • cells such as yeast, bacteria or other microorganisms, may be attached to the solid support by glutaraldehyde treatment.
  • HeLa or 3T3 cells are best attached indirectly by association with fibronectin- covered surfaces.
  • Fibronectin is covalently attached by glutaraldehyde cross-linking.
  • Lipids can be covalently attached to surfaces by reaction of the headgroups.
  • phosphatidyl ethanolamine having an amine (R-PO 3 O-CH 2 CH 2 NH 3 + ) headgroup
  • SA hetero-bifunctional cross-linking agents
  • phospholipid tailgroups may be attached by adso ⁇ tion to surfaces covered by self-assembled monolayers of alkyl chain containing polymers.
  • the step of contacting the polynucleotides with the coated substrate is accomplished in the presence of an aqueous buffer, preferably with a neutral or basic pH. Bringing the acyl fluoride functionalities into contact with the polynucleotides under neutral or basic pH conditions results in the attachment of the polynucleotides directly to the surface of the polymeric coating.
  • a basic pH condition is a condition that has a pH greater than 8. A basic pH condition is sufficient if it allows the attachment of the polynucleotides to the solid support.
  • the basic pH condition of the present invention has a pH of about 9 to 12. It should be understood that the basic pH condition may vary, depending on the method used. One skilled in the art can readily ascertain the basic pH condition of a particular attachment reaction in view of the disclosure of the present invention.
  • a coated substrate of the present invention may be contacted with biomolecules and cells by methods that are known in the art.
  • the contacting step may be carried out by solenoid or piezo-driven non-contact jet printing.
  • solid or open capillary device contact printing, microfluidic channel printing, silk screening, and a technique using printing devices based upon electrochemical or electromagnetic forces may be employed.
  • the coated substrate may also be exposed to biomolecules by manual spotting.
  • manual spotting examples include, but are not limited to, manual spotting with a pipettor or with a Biomek pin tool.
  • the preferred aqueous base may be sodium bicarbonate-carbonate with a pH in the range of 9 to 10.
  • the solid support is exposed to unmodified polynucleotides by jet printing techniques. Thermal inkjet printing techniques utilizing commercially available jet printers and piezoelectric microjet printing techniques, as described in U.S. Pat. No. 4,877,745, can be utilized to spot unmodified polynucleotides to solid supports.
  • the aqueous base may be a LiCl salt solution with a pH of about 10 to 12.
  • the coated substrates of the present invention may be exposed to biomolecules or cells by any method as long as the biomolecules or cells are put in contact with the solid support. It should also be understood that other aqueous buffer systems, which are not explicitly described here, may also be used in the present invention as long as the buffer system provides a sufficient condition that allows the attachment of biomolecules or cells to the coated substrate once they are in contact with each other.
  • the concentration of biomolecules and cells contained in aqueous solutions may vary, depending on the type of molecule or cell, its size, structure, and other factors that may influence solubility and attachment of the molecules and cells. Accordingly, it is important to determine optimal surface density of functional groups.
  • the attachment When the surface density is too low, the attachment may be inefficient. When the surface density is too high, the attachment may be prevented by steric hindrance effects.
  • the attached polymers are polynucleotides, preferably they are in the range of 5 nM to 40 ⁇ M. More preferably, they are in the range of 5 nM to 5 ⁇ M. Cells may be attached at 10 to 1000 cells per spot depending upon their size. Similarly, optimal surface densities for attachment of other biomolecules may be easily determined by those skilled in the art through a routine experimentation.
  • the pendant functional groups contained in the solid support or polymeric coating may be blocked by any chemicals that can inactivate the remaining reactive groups.
  • unreacted acyl fluoride functionalities may be reacted with ammonium hydroxide to form carboxamide or with ethanol to form esters.
  • a -host of blocking reactions are possible.
  • many applications for utilizing immobilized biomolecules and cells require that biomolecules and cells be immobilized at site-specific locations on a solid support surface.
  • a preselected site on the surface of the coated substrate is exposed to a solution of the desired biomolecules or cells.
  • this can be accomplished manually by applying an amount of biomolecule or cell solution to a preselected location on the coated substrate.
  • thermal inkjet printing techniques utilizing commercially available jet printers and piezoelectric microjet printing techniques, as described in U.S. Pat. No. 4,877,745, can be utilized to spot-selected coated substrate surface sites with selected biomolecules or cells.
  • bioarray prepared by a method comprising the steps of: (a) providing a plurality of biomolecules or cells;
  • a solid support with attached biomolecules of the present invention may be used as a device for performing a ligand-binding assay or for performing a hybridization assay by either reverse hybridization (probes attached) or southern blot (target attached). Such a device may also be used in an immunoassay.
  • the method of the utilization of bioarrays in biomedical research are well known to those skilled in the art and will not be discussed herein. The following examples are intended to illustrate, but not to limit, the scope of the invention. While such examples are typical of those that might be used, other procedures known to those skilled in the art may alternatively be utilized. Indeed, those of ordinary skill in the art can readily envision and produce further embodiments, based on the teachings herein, without undue experimentation.
  • Clean glass slides and/or polypropylene polymer sheets were placed in a plasma chamber.
  • the materials were subjected to RFPD (radiofrequency plasma discharge) initiated oxygen plasma ( ⁇ 150 to -180 mtorr O 2 ; -450 to -500 watts, RF power, 3 minutes), immediately followed by the introduction of acylic acid (or vinyl acidic acid) monomer aerosol delivered to the chamber under an argon atmosphere (-240 mtorr Ar; 500 watts, RF power, 3 minutes).
  • the plasma polymerization process was quenched in an argon atmosphere (-165 mto ⁇ Ar; 0 watts, RF power, 3 minutes).
  • the coated materials were removed from the chamber and stored in sealed polyester bags.
  • AA acrylic acid
  • VA vinyl acetic acid
  • Polypropylene polymer sheets were placed in an RFPD plasma chamber.
  • the chamber was evacuated and filled with anhydrous ammonia gas (-250 mtorr, NH 3 , 4 minutes).
  • RFPD was initiated for 2 minutes at 200 watts, RF power in an ammonia atmosphere (-300 mtorr). Power was turned-off and the substrates quenched under ammonia (-250 mto ⁇ , 2 minutes), followed by argon (-265 mto ⁇ ) for 10 minutes.
  • the surface-aminated materials were removed from the chamber and stored in sealed polyester bags.
  • Virgin polypropylene sheets (20 mm) were surface-aminated by RFPD in an ammonia gas atmosphere, derivatized with succinic anhydride to form carboxyl groups and converted to the acyl fluoride form as described above (prior art method).
  • virgin polypropylene sheets were subjected to RFPD-CVD process to prepare surface coatings of carboxylated polymers, which in turn were converted to the acyl fluoride form.
  • each sheet was printed with an amino- biotin compound (BAP A) which became covalently attached via nucleophilic attack of
  • the sheets were compared for biotin-streptavidin binding using the enzyme- labeled fluorescence (ELF) signal development reagent (Molecular Probes, Inc., Eugene, OR). Co ⁇ esponding regions of fluorescent spots that were representative across all a ⁇ ays were selected for statistical analysis. These two areas [bottom 2 X 4 sub-a ⁇ ay; bottom right 1 X 7 sub-a ⁇ ay] on each of the a ⁇ ays were compared and means with standard deviations calculated. The RFPD-CVD coating processes appeared to significantly increase the surface-binding capacity relative to the RFPD/NH3 surface activation process.
  • EMF enzyme- labeled fluorescence

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)

Abstract

L'invention concerne des procédés de préparation d'un substrat destiné à répartir et à immobiliser des biomolécules ou des cellules. Ces procédés consistent à produire un support solide et à déposer un revêtement polymère sur sa surface, par l'intermédiaire d'un processus de polymérisation par plasma chimique. Ce revêtement polymère contient au moins un groupe fonctionnel pendant pouvant se fixer sur une biomolécule ou sur une cellule. Le matériau de revêtement polymère est de préférence choisi de sorte que ses propriétés de surface améliorent la liaison entre le groupe pendant et la biomolécule ou la cellule. L'invention concerne également un substrat d'immobilisation de biomolécules et de cellules. Ce substrat comprend un support solide en matériau polymère. Ce support solide contient au moins un premier groupe fonctionnel pendant, adapté à la fixation d'une première biomolécule ou d'une première cellule sur sa surface. Le substrat selon l'invention comporte également un revêtement polymère déposé sur sa surface. Ce revêtement polymère améliore la fixation de la première biomolécule ou de la première cellule au premier groupe fonctionnel.
PCT/US2003/012016 2002-04-23 2003-04-17 Substrats a revetement polymere servant a immobiliser des biomolecules et des cellules WO2003091392A2 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007535666A (ja) * 2004-04-30 2007-12-06 ヴラームス インステリング ヴール テクノロギシュ オンデルゾーク （ヴイアイティーオー） 大気圧プラズマ技術を用いる生体分子固定化
US9938577B2 (en) 2012-02-09 2018-04-10 Life Technologies Corporation Conjugated polymeric particle and method of making same
US10144968B2 (en) 2015-07-02 2018-12-04 Life Technologies Corporation Conjugation of carboxyl functional hydrophilic beads
US10150992B2 (en) 2015-07-06 2018-12-11 Life Technologies Corporation Substrates and methods useful in sequencing
EP3730215A1 (fr) * 2019-04-23 2020-10-28 Sumitomo Rubber Industries, Ltd. Dispositif d'analyse médicale et procédé d'analyse cellulaire

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7141416B2 (en) * 2001-07-12 2006-11-28 Burstein Technologies, Inc. Multi-purpose optical analysis optical bio-disc for conducting assays and various reporting agents for use therewith
US20050003459A1 (en) * 2002-01-30 2005-01-06 Krutzik Siegfried Richard Multi-purpose optical analysis disc for conducting assays and related methods for attaching capture agents
WO2003087823A1 (fr) * 2002-04-12 2003-10-23 Micronas Gmbh Procede pour immobiliser des molecules sur des surfaces
US7191901B2 (en) * 2002-08-15 2007-03-20 Corning Incorporated Substrate container that does not degrade substrate surface
KR100529209B1 (ko) * 2002-08-28 2005-11-17 한국과학기술연구원 세포 친화성이 향상된 생분해성의 조직 공학용 다공성고분자 지지체의 제조방법
US7501289B2 (en) * 2003-12-25 2009-03-10 Fujifilm Corporation Biosensor
JP4711164B2 (ja) * 2004-03-22 2011-06-29 セイコーエプソン株式会社 膜パターン形成方法、および細胞アレイ
US20050239112A1 (en) * 2004-04-01 2005-10-27 Migenix, Inc. Methods and processes for attaching compounds to matrices
KR100647306B1 (ko) 2004-12-23 2006-11-23 삼성전자주식회사 아미노기와 카르복실기를 포함하고 제1 ｐＨ에서 양전하를띠는 물질을 이용하여 핵산을 분리하는 방법
JP4691383B2 (ja) * 2005-03-31 2011-06-01 国立大学法人名古屋大学 核酸マイクロアレイおよびその製造方法
GB0509213D0 (en) * 2005-05-04 2005-06-15 Univ Durham A method for creating a chemically patterned surface
JP4740700B2 (ja) * 2005-09-15 2011-08-03 一般社団法人オンチップ・セロミクス・コンソーシアム 生体物質解析チップ、生体物質解析キットおよびこれらを用いる生体物質解析法
KR100770945B1 (ko) * 2005-12-28 2007-10-26 성균관대학교산학협력단 플라즈마를 이용한 단백질칩 기판의 제조 방법 및 이로부터제조된 단백질칩 기판
US20070207483A1 (en) * 2006-03-02 2007-09-06 Bio-Rad Laboratories, Inc. BUFFERS FOR DETECTION OF mRNA SEPARATED IN A MICROFLUIDIC DEVICE
EP2000297A1 (fr) 2006-03-24 2008-12-10 Konica Minolta Medical & Graphic, Inc. Feuille barrière transparente et procédé de production de feuille barrière transparente
EP2000300A4 (fr) 2006-03-24 2009-08-05 Konica Minolta Med & Graphic Feuille barrière transparente et son procédé de production
EP2000299A4 (fr) 2006-03-24 2009-08-05 Konica Minolta Med & Graphic Feuille de barriere transparente et son procede de production
US7923054B2 (en) * 2006-04-19 2011-04-12 Gore Enterprise Holdings, Inc. Functional porous substrates for attaching biomolecules
FR2903590B1 (fr) * 2006-07-13 2013-05-10 Commissariat Energie Atomique Dispositif de prelevement cellulaire par contact
FR2909013B1 (fr) * 2006-11-28 2011-02-25 Commissariat Energie Atomique Procede de revetement en film mince.
GB0706820D0 (en) * 2007-04-10 2007-05-16 Common Services Agency Blood grouop antibody screening
AT505883B1 (de) * 2007-10-10 2012-10-15 Greiner Bio One Gmbh Oberflächenmodifikation
US20090130746A1 (en) * 2007-10-25 2009-05-21 Canon U.S. Life Sciences, Inc. Microchannel surface coating
US9101931B2 (en) 2007-12-28 2015-08-11 Intel Corporation Controlled fluid delivery in a microelectronic package
US8580240B1 (en) * 2008-11-19 2013-11-12 University Of Kentucky Research Foundation Compounds and methods for reducing the occurrence of post-surgical adhesions
KR101051336B1 (ko) * 2009-11-20 2011-07-22 국방과학연구소 생체물질 고정용 기판, 이의 제조방법 및 이를 구비한 바이오칩
JP5866880B2 (ja) * 2011-02-10 2016-02-24 住友ベークライト株式会社 生理活性物質固定化用粒子、生理活性物質固定粒子及び糖親和性物質捕捉粒子
US20130046375A1 (en) 2011-08-17 2013-02-21 Meng Chen Plasma modified medical devices and methods
CN104114272B (zh) * 2012-02-17 2015-09-23 阿尔卑斯电气株式会社 微型流路装置及其制造装置
CN104838267B (zh) 2012-10-08 2018-02-23 通用电气公司 用于lal反应物质测试的向心微流体平台
GB2528856A (en) * 2014-07-31 2016-02-10 P2I Ltd Binding surfaces
GB2535969A (en) * 2014-09-19 2016-09-07 P2I Ltd Solid Phase Synthesis and Products Obtained thereby
CN114085730A (zh) * 2015-04-22 2022-02-25 伯克利之光生命科技公司 微流体细胞培养
IL293366B2 (en) 2015-04-22 2023-10-01 Berkeley Lights Inc Kits and methods for preparing a microfluidic device for cell culture
EP4289356A3 (fr) 2015-09-09 2024-02-28 Drawbridge Health, Inc. Dispositifs pour la collecte, la stabilisation et la conservation d'échantillons
US10799865B2 (en) 2015-10-27 2020-10-13 Berkeley Lights, Inc. Microfluidic apparatus having an optimized electrowetting surface and related systems and methods
US10441349B2 (en) * 2015-10-29 2019-10-15 Covidien Lp Non-stick coated electrosurgical instruments and method for manufacturing the same
US10368939B2 (en) 2015-10-29 2019-08-06 Covidien Lp Non-stick coated electrosurgical instruments and method for manufacturing the same
SG10202008265XA (en) 2016-05-26 2020-09-29 Berkeley Lights Inc Covalently modified surfaces, kits, and methods of preparation and use
CN107723203A (zh) * 2016-08-11 2018-02-23 广州康昕瑞基因健康科技有限公司 一种制备测序反应小室的方法
CN106318898B (zh) * 2016-08-18 2019-05-31 内蒙古赛科星家畜种业与繁育生物技术研究院有限公司 用于航天生物育种的家畜成纤维细胞培养方法
CN210383905U (zh) 2017-01-10 2020-04-24 集联健康有限公司 一种用于从受试者收集流体样品的装置以及运输套筒
US11432869B2 (en) 2017-09-22 2022-09-06 Covidien Lp Method for coating electrosurgical tissue sealing device with non-stick coating
US10709497B2 (en) 2017-09-22 2020-07-14 Covidien Lp Electrosurgical tissue sealing device with non-stick coating
JP2022502017A (ja) 2018-09-21 2022-01-11 バークレー ライツ，インコーポレイテッド 官能基化ウェルプレート、その作製及び使用方法
CN111100785B (zh) * 2018-10-25 2023-08-11 深圳市真迈生物科技有限公司 固相基底、其处理方法和确定处理条件的方法
US11207124B2 (en) 2019-07-08 2021-12-28 Covidien Lp Electrosurgical system for use with non-stick coated electrodes
US11369427B2 (en) 2019-12-17 2022-06-28 Covidien Lp System and method of manufacturing non-stick coated electrodes
JP2021189080A (ja) * 2020-06-02 2021-12-13 公立大学法人福島県立医科大学 化合物を基板上に固定する方法および固定化した化合物の検出方法
CN117956901A (zh) * 2021-09-20 2024-04-30 莫特公司 用于医疗装置的聚合物涂层及其制造方法
WO2023102465A1 (fr) * 2021-12-02 2023-06-08 Ddp Specialty Electronic Materials Us, Llc Procédé de préparation de fibre fonctionnalisée

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250613A (en) * 1990-10-22 1993-10-05 Berol Nobel Ab Solid surface coated with a hydrophilic outer layer with covalently bonded biopolymers, a method of making such a surface, and a conjugate therefor
US5474796A (en) * 1991-09-04 1995-12-12 Protogene Laboratories, Inc. Method and apparatus for conducting an array of chemical reactions on a support surface
US6268141B1 (en) * 1999-05-12 2001-07-31 Beckman Coulter, Inc. Immobilization of unmodified biopolymers to acyl fluoride activated substrates

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091166A (en) * 1977-06-17 1978-05-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Boron trifluoride coatings for thermoplastic materials and method of applying same in glow discharge
US5002582A (en) * 1982-09-29 1991-03-26 Bio-Metric Systems, Inc. Preparation of polymeric surfaces via covalently attaching polymers
US4973493A (en) * 1982-09-29 1990-11-27 Bio-Metric Systems, Inc. Method of improving the biocompatibility of solid surfaces
US4613517A (en) * 1983-04-27 1986-09-23 Becton, Dickinson And Company Heparinization of plasma treated surfaces
US4979959A (en) 1986-10-17 1990-12-25 Bio-Metric Systems, Inc. Biocompatible coating for solid surfaces
US4877745A (en) * 1986-11-17 1989-10-31 Abbott Laboratories Apparatus and process for reagent fluid dispensing and printing
JPS63185383A (ja) * 1987-01-26 1988-07-30 Daikin Ind Ltd タンパク質の固定化方法
DE3788062D1 (de) * 1987-05-12 1993-12-09 Christian Dr Med Mittermayer Verfahren zur Besiedlung einer Polymeroberfläche mit menschlichen Gefässinnenhautzellen.
US5055316A (en) * 1988-04-20 1991-10-08 Washington Research Foundation Tight binding of proteins to surfaces
US5002794A (en) 1989-08-31 1991-03-26 The Board Of Regents Of The University Of Washington Method of controlling the chemical structure of polymeric films by plasma
US5153072A (en) 1989-08-31 1992-10-06 The Board Of Regents Of The University Of Washington Method of controlling the chemical structure of polymeric films by plasma deposition and films produced thereby
IT1244843B (it) * 1990-11-21 1994-09-06 Donegani Guido Ist Procedimento per ridurre il coefficiente d'attrito e per incrementare l'idrorepellenza di superfici di corpi formati in materiale polimerico
CA2065581C (fr) * 1991-04-22 2002-03-12 Andal Corp. Methode de deposition physique en phase vapeur activee par plasma, et appareil connexe
US6090901A (en) * 1991-07-05 2000-07-18 Biocompatibles Limited Polymeric surface coatings
US5705583A (en) * 1991-07-05 1998-01-06 Biocompatibles Limited Polymeric surface coatings
US5583211A (en) * 1992-10-29 1996-12-10 Beckman Instruments, Inc. Surface activated organic polymers useful for location - specific attachment of nucleic acids, peptides, proteins and oligosaccharides
US5610287A (en) 1993-12-06 1997-03-11 Molecular Tool, Inc. Method for immobilizing nucleic acid molecules
US5843789A (en) * 1995-05-16 1998-12-01 Neomecs Incorporated Method of analysis of genomic biopolymer and porous materials for genomic analyses
EP0910570A4 (fr) 1995-11-14 2002-01-16 Baylor College Medicine Dispositifs integres d'hybridation d'acides nucleiques dont la fonction est fondee sur la chimie des surfaces actives
US5876753A (en) * 1996-04-16 1999-03-02 Board Of Regents, The University Of Texas System Molecular tailoring of surfaces
US6020047A (en) * 1996-09-04 2000-02-01 Kimberly-Clark Worldwide, Inc. Polymer films having a printed self-assembling monolayer
US6037124A (en) * 1996-09-27 2000-03-14 Beckman Coulter, Inc. Carboxylated polyvinylidene fluoride solid supports for the immobilization of biomolecules and methods of use thereof
US6146833A (en) * 1997-02-11 2000-11-14 Beckman Coulter, Inc. Polymeric reagents for immobilizing biopolymers
EP0998347A1 (fr) * 1997-07-22 2000-05-10 Rapigene, Inc. Alignements de biomolecules reposant sur une base de polyethylenimine
US5869135A (en) * 1997-10-03 1999-02-09 Massachusetts Institute Of Technology Selective chemical vapor deposition of polymers
US6287990B1 (en) * 1998-02-11 2001-09-11 Applied Materials, Inc. CVD plasma assisted low dielectric constant films
US6013789A (en) * 1998-02-20 2000-01-11 Beckman Coulter, Inc. Covalent attachment of biomolecules to derivatized polypropylene supports
US6131580A (en) * 1998-04-17 2000-10-17 The University Of Washington Template imprinted materials by RFGD plasma deposition
US7238395B2 (en) * 2000-05-10 2007-07-03 Nkt Research A/S Method of coating the surface of an inorganic substrates with an organic material and the product obtained
CA2436253A1 (fr) * 2000-12-29 2002-07-11 Bjorn Winther-Jensen Procede de preparation d'un substrat pour immobiliser des composes chimiques, substrat et utilisation de ce dernier
JP4772211B2 (ja) * 2001-05-29 2011-09-14 Ｋｉｓｃｏ株式会社 Ｄｎａチップの製造方法
US6977138B2 (en) * 2001-07-24 2005-12-20 Massachusetts Institute Of Technology Reactive polymer coatings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250613A (en) * 1990-10-22 1993-10-05 Berol Nobel Ab Solid surface coated with a hydrophilic outer layer with covalently bonded biopolymers, a method of making such a surface, and a conjugate therefor
US5474796A (en) * 1991-09-04 1995-12-12 Protogene Laboratories, Inc. Method and apparatus for conducting an array of chemical reactions on a support surface
US6268141B1 (en) * 1999-05-12 2001-07-31 Beckman Coulter, Inc. Immobilization of unmodified biopolymers to acyl fluoride activated substrates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1497302A2 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007535666A (ja) * 2004-04-30 2007-12-06 ヴラームス インステリング ヴール テクノロギシュ オンデルゾーク （ヴイアイティーオー） 大気圧プラズマ技術を用いる生体分子固定化
US9938577B2 (en) 2012-02-09 2018-04-10 Life Technologies Corporation Conjugated polymeric particle and method of making same
US10724094B2 (en) 2012-02-09 2020-07-28 Life Technologies Corporation Conjugated polymeric particle and method of making same
US11702696B2 (en) 2012-02-09 2023-07-18 Life Technologies Corporation Conjugated polymeric particle and method of making same
US10144968B2 (en) 2015-07-02 2018-12-04 Life Technologies Corporation Conjugation of carboxyl functional hydrophilic beads
US10676790B2 (en) 2015-07-02 2020-06-09 Life Technologies Corporation Conjugation of carboxyl functional hydrophilic beads
US10150992B2 (en) 2015-07-06 2018-12-11 Life Technologies Corporation Substrates and methods useful in sequencing
US10941439B2 (en) 2015-07-06 2021-03-09 Life Technologies Corporation Substrates and methods useful in sequencing
EP3730215A1 (fr) * 2019-04-23 2020-10-28 Sumitomo Rubber Industries, Ltd. Dispositif d'analyse médicale et procédé d'analyse cellulaire
US11660596B2 (en) 2019-04-23 2023-05-30 Sumitomo Rubber Industries, Ltd. Medical analysis device and cell analysis method

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US20030198968A1 (en) 2003-10-23
CN1649887A (zh) 2005-08-03
EP1497302A2 (fr) 2005-01-19
EP1497302A4 (fr) 2006-11-15
WO2003091392A3 (fr) 2004-02-19
US6984485B2 (en) 2006-01-10

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